<template>
  <div class="bottom-nav">
    <ul>
      <li :class="{active: index===curIndex}" v-for="(list,index) in navConfig" @click="changeNav(list,index)"><a><i :class="list.icon"></i><div>{{list.name}}</div></a></li>
    </ul>
  </div> 
</template>

<script>
let navConfig = [{
  name: '有赞',
  icon: 'icon-home',
  href: 'index.html'
},{
  name: '分类',
  icon: 'icon-category',
  href: 'category.html'
},{
  name: '购物车',
  icon: 'icon-cart',
  href: 'cart.html'
},{
  name: '我',
  icon: 'icon-user',
  href: 'member.html'
}]

import qs from 'qs'
  
export default {
  data() {
    return {
      navConfig,
      curIndex: parseInt(qs.parse(location.search.substr(1)).index) || 0
    }
  },
  methods: {
    changeNav(list, index) {
      location.href = `${list.href}?index=${index}`
    }
  }
}

</script>

<style>
.bottom-nav {
  position: fixed;
  width: 100%;
  height: 50px;
  bottom: 0;
  background-color: #fff;
  z-index: 9999;
  -o-border-image: url(https://b.yzcdn.cn/v2/image/wap/border-line-2.png) 2 stretch;
  border-image: url(https://b.yzcdn.cn/v2/image/wap/border-line-2.png) 2 stretch;
  border-top: 2px solid #e5e5e5
}

@media only screen and (-webkit-min-device-pixel-ratio:1.5),
only screen and (min--moz-device-pixel-ratio:1.5),
only screen and (min-device-pixel-ratio:1.5) {
  .bottom-nav {
    border-top-width: 1px
  }
}

.bottom-nav ul {
  position: relative;
  height: 100%;
  zoom: 1
}

.bottom-nav ul:after {
  content: "";
  display: table;
  clear: both
}

.bottom-nav li {
  display: block;
  float: left;
  width: 25%;
  height: 100%
}

.bottom-nav a {
  display: block;
  width: 100%;
  height: 100%;
  padding-top: 8px;
  text-align: center;
  font-size: 10px
}

.bottom-nav [class^=icon-] {
  display: block;
  width: 22px;
  height: 22px;
  margin: auto;
  margin-bottom: 4px;
  background-position: 50%;
  background-repeat: no-repeat;
  background-size: 100% auto
}

.bottom-nav .icon-home {
  background-image: url("")
}

.bottom-nav .icon-category {
  background-image: url("")
}

.bottom-nav .icon-cart {
  background-image: url("")
}

.bottom-nav .icon-user {
  background-image: url("")
}

.bottom-nav .active a {
  color: #ff6366
}

.bottom-nav .active .icon-home {
  background-image: url("")
}

.bottom-nav .active .icon-category {
  background-image: url("")
}

.bottom-nav .active .icon-cart {
  background-image: url("")
}

.bottom-nav .active .icon-user {
  background-image: url("")
}
</style>

